<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>动画</title>
    <style>
        /* 百分比必须是整数 */
        
        @keyframes move{
            0%{
                transform:translate(0，0);
            }
            25%{
                transform: translate(1000px,0);
            }
            50%{
                transform: translate(1000px,500px);
            }
            75%{
                transform: translate(0,500px);
            }
            100%{
                transform: translateX(0,0);
            }
        }
        div{
            width: 100px;
            height: 100px;
            background-color: pink;
            /* 调用动画 */
            animation-name:move;
            /* 持续时间 */
            animation-duration:8s;
        }
    </style>
</head>
<body>
    <div></div>
</body>
</html>